Episode 1 - The Eternity Ring　　MI5 suspects British atomic research has been infiltrated, and ask Foyle to investigate whether a Russian spy network could be at work in the heart of London.　　Episode 2 - The Cage　　Foyle’s investigation into the death of a nameless Russian leads to a mysterious military facility and the discovery that the victim was a spy with dangerous connections to British intelligence.　　Episode 3 - Sunflower　　Professor Peter Van Haren gives a lecture to a group of students on the self-portraits of the artist Rembrandt and causes a young man to suffer a frightening flashback which ends in tragedy.。中年男子不再说什么，而带队来的进化者这时候却道：“我以为什么大不了的事情，闹的我们半夜不能睡安稳觉，这个女人先带走，回头谁拿来的黄金多便由谁领走。”……